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    M9750 - BluRay Performance Issue

    Discussion in 'Alienware Area-51/Aurora and Legacy Systems' started by fadewon, May 29, 2011.

  1. fadewon

    fadewon Notebook Enthusiast

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    I'm running an M9750 with a 2ghz Core 2 w/ 4gigs of ram and just got an external 8x Blu-Ray burner, using PowerDVD 8. My problem comes when playing BR's. The screen gets choppy with occasional patches of smooth play. Any ideas what is causing the choppy play? Is there anything I can do to improve the playback? Any info or guidance y'all could give would be great. Thanks!
     
    fadewon, May 29, 2011
    #1
  2. jeremyshaw

    jeremyshaw Big time Idiot

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    The most powerful GPU the M9750 had was a GTX7900m, or something similar, iirc. The 7000 series and older cards had a very limited VC-1/h264 decoding, that still relied heavily on the CPU.

    Have you run the CyberLink Blu-ray Disc Support (sorry, only tool I know of for the purpose) to see if your system is indeed capable of handling BluRays? (I know the tool also tests for 3D compat). I'm guessing it's not capable of handing the sheer bitrate of bluray videos :(
     
    jeremyshaw, May 29, 2011
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  3. BatBoy

    BatBoy Notebook Nobel Laureate

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    Welcome to the forum fade... We have a sub-forum dedicated to the Legacy AW systems. Moving your thread now for a bit more exposure. :)
     
    BatBoy, May 29, 2011
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  4. fadewon

    fadewon Notebook Enthusiast

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    Hey thanks BatBoy. I appreciate the move.

    And Jeremy, I'm using the single 8700M GT, and the BD Advisor from CyberLink shows that I pass all the basic requirements, but in the advanced tab, I fail the three dual video decoding items. Would that be the reason for the choppy video?
     
    fadewon, May 29, 2011
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  5. whitrzac

    whitrzac The orange end is cold...

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    when playing vids what is your CPU/mem usage?
     
    whitrzac, May 29, 2011
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  6. granyte

    granyte ATI+AMD -> DAAMIT

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    what is the bit rate of usb 2.0 could it be that choke the thing?
     
    granyte, May 29, 2011
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  7. kevmanw4301

    kevmanw4301 Notebook Deity

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    A single 8700M is pretty bad. It could be that, or the USB. Maybe the CPU is coming off SpeedStep?
     
    kevmanw4301, May 30, 2011
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  8. fadewon

    fadewon Notebook Enthusiast

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    Well after a busy week, I got some answers to questions.

    whitrzac- My Cpu/Memory usages while playing vids are usually under 10% and about 1.1gb of 4, so around 25%, so that shouldnt be the problem I'd think.

    granyte- Wikipedia says the theoretical maximum rate of USB2.0 is 480mbit/s, or 60MB/s. Whats the data rate for a Blu-Ray?

    kevmanw4301- I checked the Nvidia site page for the 8700m gt and it says it's the first mobile gpu to fully support Blu-Ray. That was how they advertised it during the days it was released, so I'm assuming it shouldn't be the problem.

    Do you think it could be CyberDVD 8 that I'm using? Should I upgrade?

    Thanks again all!
     
    fadewon, Jun 9, 2011
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  9. kevmanw4301

    kevmanw4301 Notebook Deity

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    I'd try a different program. I had an M9750 that I used, but never had choppy videos. Mind you, I didn't use Blu-ray.
     
    kevmanw4301, Jun 9, 2011
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  10. fadewon

    fadewon Notebook Enthusiast

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    Well I solved the problem... Ordered an M17x... lol
     
    fadewon, Jun 28, 2011
    #10